Santa in locomotive mini advent calendar card has 24 little doors to open. Each door has a little picture hidden behind it. A great countdown fun for Christmas. The tradition (that dates back to 1851 in the Protestant parts of Germany) is to open one door each day from December 1 through December 24. Children love to open a door a day as they count down to Christmas. The Santa advent calendar measures 14 in. (H) x 10.5 in. (W) and come with an envelope. This beautiful advent calendar was manufactured in Germany by the Richard Sellmer Verlag company.